Bernie Sanders, a United States senator, is a candidate for the Democratic Party’s 2016 presidential nomination. He was elected as an independent senator from Vermont in 2006 and reelected in 2012. From 1991 to 2007, he was an independent member of the U.S. House of Representatives representing Vermont’s at-large district. He was mayor of Burlington from 1981 to 1989. On Twitter: @SenSanders.